Maria Polyakova, an economist at Stanford University, has studied the effects of the pandemic on the U.S. economy. “In general,” she said, “we expect that staying at home mechanically slows the pandemic, as it reduces the number of interactions between people.” Updated
Two of the knots, they concluded, were probably small galaxies with small internal motions being cannibalized by the big galaxy. Measurements of the third knot had such large error bars that it could not yet be ruled in or out as the
Martinus J.G. Veltman, a Dutch theoretical physicist who was awarded the Nobel Prize for work that explained the structure of some of the fundamental forces in the universe, helping to lay the groundwork for the development of the Standard Model, the backbone
“It’s a chicken-or-egg problem,” said Nan Ransohoff, head of climate at Stripe, an online payments company based in San Francisco. “The best way to bring down the cost is to start deploying these technologies at scale. But until there are actual customers,
What Ms. Burkett and Ms. Miller experienced wasn’t the norm. Many of the conditions that can raise a person’s risk for severe Covid — excess weight, heart disease, diabetes, smoking — are highly influenced by environment and behavior, not just genetics. A
What could go wrong during the test?
Toyota Motor is set to pay a $180 million fine for longstanding violations of the Clean Air Act, the U.S. attorney’s Office in Manhattan announced on Thursday, the largest civil penalty ever levied for a breach of federal emissions-reporting requirements. From about
Mary Catherine Bateson, a cultural anthropologist who was the author of quietly groundbreaking books on women’s lives — and who as the only child of Margaret Mead had once been one of the most famous babies in America — died on Jan.
In August 2012, Douglas Bastos, then a graduate student at Brazil’s Instituto Nacional de Pesquisas da Amazônia, was exploring a remote waterway in the Amazon rainforest when he came across a small lake teeming with electric eels. Electric eels, which despite their
2020 was effectively tied with 2016 for the hottest year on record, as global warming linked to greenhouse gas emissions showed no signs of letting up. Siberia and the Arctic were among the hottest regions. The heat fueled wildfires that pumped even
Conservationists said that assertion was unsupported by the agency’s own evidence. In December, the Fish and Wildlife Service ruled that the northern spotted owl should actually be reclassified, as endangered rather than threatened, but the agency said it would not take steps
